ISDN on MPC ?

[Wolfgang Denk]

In message <Pine.GSO.4.21.0006291656470.11412-100000 at samson.hrz.tu-chemnitz.de> you wrote:
>
> I have an MPC860 on an MBX-board running Linux 2.2.13 based on MontaVista
> sources. I want to add ISDN functionality. Has anyone of you already done
> work in this area ?

Not completed yet, but we are working on it.

The design is  based  on  the  HFC-SP  chips  by  Cologne  Chip,  see
http://www.colognechip.com/isdn/controllers/frame-hfc-sp.htm

> As far as I got it I have to write a new hardware-level driver for the
> isdn4linux subsystem, is that right ? Is anyone aware of special problems
> I have to focus ?

Interfacing the ISDN chips with the MPC8xx  bus  might  be  an  issue
(timing).  That's  why we selected a PCMCIA based design (although we
won't use a PCMCIA card).


Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
Conscious is when you are aware of something, and conscience is  when
you wish you weren't.

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